.container {
  width: 750px;
  margin: 0 auto;
}

*{
  margin: 0;
  padding: 0;
}

li{
  list-style: none;
}

img{
  vertical-align: bottom;
}

.fl{
  float: left;
}

.fr{
  float: right;
}

.clearfix::after{
  content: ".";
  overflow: hidden;
  line-height: 0;
  clear: both;
  display: block;
}
.clearfix{
  *zoom: 1;
}
